BR112013017691A2 - método para aprimorar a característica de operação de escavação e a característica de operação de preparação de escavadeira - Google Patents
método para aprimorar a característica de operação de escavação e a característica de operação de preparação de escavadeiraInfo
- Publication number
- BR112013017691A2 BR112013017691A2 BR112013017691A BR112013017691A BR112013017691A2 BR 112013017691 A2 BR112013017691 A2 BR 112013017691A2 BR 112013017691 A BR112013017691 A BR 112013017691A BR 112013017691 A BR112013017691 A BR 112013017691A BR 112013017691 A2 BR112013017691 A2 BR 112013017691A2
- Authority
- BR
- Brazil
- Prior art keywords
- confluence
- solenoid valve
- circuit
- valve group
- excavator
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
- E02F3/80—Component parts
- E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
- E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
- E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance including an electronic controller
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2282—Systems using center bypass type changeover valves
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2285—Pilot-operated systems
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Operation Control Of Excavators (AREA)
Abstract
método para aprimorar a característica de operação de escavação e a característica de operação de preparação de escavadeira. trata-se de um método para aprimorar a característica de operação de escavação e a característica de operação de preparação de uma escavadeira. uma válvula seletora hidraulicamente controlada (7) é adicionada em um circuito de controle de confluência de lança de uma escavadeira hidráulica, e um grupo de válvula solenoide (4) é adicionado no circuito de controle de confluênda de lança e no circuito de controle de confluência de caçamba/vareta. um controlador envia um sinal de controle para comutar o grupo de válvula solenoide (4) entre um modo desconectado e um modo conectado. o controlador pode enviar um sinal para desconectar o grupo de válvula solenoide (4), restaurar uma bobina de válvula a uma posição intermediária, restaurar um circuito de levantamento de confluência de lança, e desconectar um circuito de confluência de oscilação de caçamba/vareta para efetuar um modo de escavação padrão. o controlador pode enviar um sinal para conectar o grupo de válvula solenoide (4), de tal modo que o grupo de válvula solenoide (4) desconecte um circuito de levantamento de confluênda de lança e aumente um circuito de confluência de oscilação de caçamba/vareta para conseguir um modo de operação de preparação. o método aprimora a eficiência operacional e a confortabilidade de controle, reduzindo ao mesmo tempo o custo de manutenção e de produção durante operações de preparação e escavações.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011100039328A CN102140807B (zh) | 2011-01-11 | 2011-01-11 | 一种提高挖掘机挖掘操纵特性和平整作业特性的方法 |
PCT/CN2012/070199 WO2012094993A1 (zh) | 2011-01-11 | 2012-01-10 | 一种提高挖掘机挖掘操纵特性和平整作业特性的方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112013017691A2 true BR112013017691A2 (pt) | 2016-10-11 |
Family
ID=44408585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112013017691A BR112013017691A2 (pt) | 2011-01-11 | 2012-01-10 | método para aprimorar a característica de operação de escavação e a característica de operação de preparação de escavadeira |
Country Status (4)
Country | Link |
---|---|
US (1) | US9518371B2 (pt) |
CN (1) | CN102140807B (pt) |
BR (1) | BR112013017691A2 (pt) |
WO (1) | WO2012094993A1 (pt) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102140807B (zh) * | 2011-01-11 | 2012-05-23 | 徐州徐工挖掘机械有限公司 | 一种提高挖掘机挖掘操纵特性和平整作业特性的方法 |
CN102518171B (zh) * | 2011-12-31 | 2014-08-13 | 中外合资沃得重工(中国)有限公司 | 具有合流加速功能的挖掘机铲斗液压*** |
CN102605812B (zh) * | 2012-03-22 | 2014-06-25 | 三一重机有限公司 | 一种挖掘机直线行走控制装置及控制方法 |
CN102704525B (zh) * | 2012-05-21 | 2014-10-22 | 徐州徐工挖掘机械有限公司 | 一种挖掘机液压回路 |
CN102767196B (zh) * | 2012-07-31 | 2014-10-22 | 徐州徐工挖掘机械有限公司 | 一种挖掘机液压油合流的控制装置 |
CN102880145B (zh) * | 2012-09-28 | 2016-02-03 | 三一汽车制造有限公司 | 支腿控制***和工程机械 |
CN103244478B (zh) * | 2013-05-20 | 2015-07-15 | 无锡市钻通工程机械有限公司 | 非开挖铺管钻机的助力转换液压控制*** |
CN104235090B (zh) * | 2014-07-23 | 2016-08-24 | 北京市三一重机有限公司 | 负反馈液压***和旋挖钻机 |
CN105672385B (zh) * | 2016-02-24 | 2018-02-09 | 徐州徐工挖掘机械有限公司 | 一种挖掘机斗杆合流控制装置 |
CN106836335B (zh) * | 2017-02-07 | 2019-04-05 | 柳州柳工挖掘机有限公司 | 具有平地辅助***的挖掘机 |
CN110382784B (zh) * | 2017-12-26 | 2022-03-11 | 日立建机株式会社 | 作业机械 |
EP3608548B1 (en) * | 2018-03-19 | 2023-10-25 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
CN108286275B (zh) * | 2018-03-27 | 2023-07-25 | 徐州徐工挖掘机械有限公司 | 一种挖掘机协调性调节*** |
CN108894273B (zh) * | 2018-08-09 | 2020-11-17 | 尹建新 | 挖掘机单手操控装置 |
EP3882400A4 (en) * | 2018-11-14 | 2022-01-12 | Sumitomo Heavy Industries, Ltd. | SHOVEL AND DEVICE FOR CONTROLLING A SHOVEL |
CN112392080B (zh) * | 2020-11-25 | 2022-07-29 | 三一重机有限公司 | 主动降低挖掘机动作冲击的装置、方法及挖掘机 |
CN112376646A (zh) * | 2020-12-18 | 2021-02-19 | 徐工集团工程机械股份有限公司科技分公司 | 具有安全锁止功能的装载机液压*** |
US11608610B2 (en) * | 2021-08-04 | 2023-03-21 | Caterpillar Inc. | Control of a hydraulic system |
CN114809174B (zh) * | 2022-04-12 | 2023-07-04 | 三一重机有限公司 | 液压***控制方法、装置及挖掘机 |
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US3073123A (en) * | 1961-09-27 | 1963-01-15 | New York Air Brake Co | Hydraulic system |
JPH076530B2 (ja) * | 1986-09-27 | 1995-01-30 | 日立建機株式会社 | 油圧ショベルの油圧回路 |
JPH01220706A (ja) * | 1988-02-25 | 1989-09-04 | Komatsu Ltd | 油圧式掘削機の油圧制御装置 |
US6050090A (en) * | 1996-06-11 | 2000-04-18 | Kabushiki Kaisha Kobe Seiko Sho | Control apparatus for hydraulic excavator |
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JP2001152921A (ja) * | 1999-11-19 | 2001-06-05 | Komatsu Ltd | 積込作業車両 |
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CN1432739A (zh) * | 2002-01-15 | 2003-07-30 | 陈嘉川 | 多泵液压***的合流及卸荷控制方法 |
US6618659B1 (en) * | 2003-01-14 | 2003-09-09 | New Holland North America, Inc. | Boom/bucket hydraulic fluid sharing method |
JP3985756B2 (ja) * | 2003-09-05 | 2007-10-03 | コベルコ建機株式会社 | 建設機械の油圧制御回路 |
US7178333B2 (en) * | 2004-03-18 | 2007-02-20 | Kobelco Construction Machinery Co., Ltd. | Hydraulic control system for hydraulic excavator |
KR101144396B1 (ko) * | 2004-12-16 | 2012-05-11 | 두산인프라코어 주식회사 | 굴삭기의 선회복합작업용 유압제어장치 |
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CN101229902B (zh) * | 2008-02-19 | 2010-07-21 | 湖南三一起重机械有限公司 | 起重机液压***液压油分配控制装置 |
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CN101509266B (zh) * | 2009-02-23 | 2011-05-18 | 三一重机有限公司 | 一种改善挖掘机平地性能的控制方法 |
KR101088752B1 (ko) * | 2009-05-22 | 2011-12-01 | 볼보 컨스트럭션 이큅먼트 에이비 | 복합 조작성을 개선시킨 유압시스템 |
KR101112133B1 (ko) * | 2009-06-16 | 2012-02-22 | 볼보 컨스트럭션 이큅먼트 에이비 | 플로트 기능을 갖는 건설장비용 유압시스템 |
CN102140808B (zh) * | 2011-01-11 | 2012-05-23 | 徐州徐工挖掘机械有限公司 | 一种提高挖掘机挖掘操纵特性和平整作业特性的装置 |
CN201962707U (zh) * | 2011-01-11 | 2011-09-07 | 徐州徐工挖掘机械有限公司 | 提高挖掘机挖掘操纵特性和平整作业特性的装置 |
CN102140807B (zh) * | 2011-01-11 | 2012-05-23 | 徐州徐工挖掘机械有限公司 | 一种提高挖掘机挖掘操纵特性和平整作业特性的方法 |
-
2011
- 2011-01-11 CN CN2011100039328A patent/CN102140807B/zh active Active
-
2012
- 2012-01-10 BR BR112013017691A patent/BR112013017691A2/pt not_active IP Right Cessation
- 2012-01-10 WO PCT/CN2012/070199 patent/WO2012094993A1/zh active Application Filing
-
2013
- 2013-07-02 US US13/933,395 patent/US9518371B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN102140807B (zh) | 2012-05-23 |
US9518371B2 (en) | 2016-12-13 |
US20140007942A1 (en) | 2014-01-09 |
WO2012094993A1 (zh) | 2012-07-19 |
CN102140807A (zh) | 2011-08-03 |
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